M4.5 Earthquake 77 km WSW of Calingasta, Argentina — October 12, 2024
2024-10-12 22:49:52 UTC (2024-10-12) · approx. 5:49 PM UTC-5 local
On October 12, 2024 at 22:49 UTC, a magnitude 4.5 intermediate depth earthquake struck 77 km WSW of Calingasta, Argentina, at a depth of 117.6 km and coordinates -31.6643°, -70.1346°. This earthquake was detected by 32 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-70.1346°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Calingasta, Argentina?
The magnitude 4.5 earthquake that struck 77 km WSW of Calingasta, Argentina on October 12, 2024 at 22:49 UTC had a depth of 117.6 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.6643°, -70.1346°, which is 77 km WSW of Calingasta, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000nyce). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, October 12, 2024). M4.5 Earthquake 77 km WSW of Calingasta, Argentina — October 12, 2024. Retrieved December 23, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nyce/